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1. |
Eight cells are connected in series to an external resistance of 4 ohms but one of the cells is connected in opposition. If the emf and internal resistance of each cell are 2 volts and 2 ohms respectively, the current in the resistor of 4 ohms will be: |
A. | 0.6 |
B. | 0.75 |
C. | 1.0 |
D. | 2.0 |
Answer» B. 0.75 | |